Amixture of fuel for a certain small engine should be 4 parts gasoline to 1 part oil. if you have 5 quarts of, oil how many quarts of gasoline will you need for a correct mixture

step-by-step explanation:

it's is b

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950